Rather, “For the four chief porters, who were themselves Levites, were in trust, who also had the charge of the chambers, etc.” A contrast seems intended between the four chief porters, whose charge was constant, and the remainder, who kept watch by turns.
Related Commentaries of 1 Chronicles 9:26
1 Chronicles 9:26
26 For these Levites, the four chief porters, were in their set office, and were over the chambers and treasuries of the house of God.